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55061633 = 1129172607
BaseRepresentation
bin1101001000001…
…0110010000001
310211121102100202
43102002302001
5103043433013
65244054545
71236005354
oct322026201
9124542322
1055061633
1129098690
1216534455
13b53b263
14745429b
154c79858
hex3482c81

55061633 has 8 divisors (see below), whose sum is σ = 62138880. Its totient is φ = 48329680.

The previous prime is 55061621. The next prime is 55061651. The reversal of 55061633 is 33616055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55061633 - 26 = 55061569 is a prime.

It is a super-3 number, since 3×550616333 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55061596 and 55061605.

It is not an unprimeable number, because it can be changed into a prime (55061603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85985 + ... + 86622.

It is an arithmetic number, because the mean of its divisors is an integer number (7767360).

Almost surely, 255061633 is an apocalyptic number.

It is an amenable number.

55061633 is a deficient number, since it is larger than the sum of its proper divisors (7077247).

55061633 is a wasteful number, since it uses less digits than its factorization.

55061633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172647.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 55061633 is about 7420.3526196536. The cubic root of 55061633 is about 380.4372459986.

Adding to 55061633 its reverse (33616055), we get a palindrome (88677688).

The spelling of 55061633 in words is "fifty-five million, sixty-one thousand, six hundred thirty-three".

Divisors: 1 11 29 319 172607 1898677 5005603 55061633